170 lines
4.3 KiB
C
170 lines
4.3 KiB
C
/*
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* =====================================================================================
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*
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* Filename: hanvon-libusb.c
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*
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* Description: Libusb GP0504 handler prototype
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*
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* Version: 0.1
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* Created: 08/17/2020 04:05:14 PM
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* Revision: none
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* Compiler: gcc
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*
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* Author: surkeh@protonmail.com
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*
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* =====================================================================================
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <libusb-1.0/libusb.h>
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#define STATE_SUCCESS 0
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#define STATE_NOT_FOUND 1
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#define UNREF_DEVICE 1
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#define KEEP_DEVICE_REF 0
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#define VENDOR_ID_HANVON 0x0b57
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#define PRODUCT_ID_AM3M 0x8528
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#define PRODUCT_ID_AM0806 0x8502
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#define PRODUCT_ID_AM0605 0x8503
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#define PRODUCT_ID_AM1107 0x8505
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#define PRODUCT_ID_AM1209 0x8501
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#define PRODUCT_ID_RL0604 0x851f
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#define PRODUCT_ID_RL0504 0x851d
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#define PRODUCT_ID_GP0806 0x8039
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#define PRODUCT_ID_GP0806B 0x8511
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#define PRODUCT_ID_GP0605 0x8512
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#define PRODUCT_ID_GP0605A 0x803a
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#define PRODUCT_ID_GP0504 0x8037
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#define PRODUCT_ID_NXS1513 0x8030
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#define PRODUCT_ID_GP0906 0x8521
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#define PRODUCT_ID_APPIV0906 0x8532
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#define AM_PACKET_LEN 10
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//static int lbuttons[]={BTN_0,BTN_1,BTN_2,BTN_3}; /* reported on all AMs */
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//static int rbuttons[]={BTN_4,BTN_5,BTN_6,BTN_7}; /* reported on AM1107+ */
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#define AM_WHEEL_THRESHOLD 4
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#define AM_MAX_TILT_X 0x3f
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#define AM_MAX_TILT_Y 0x7f
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#define AM_MAX_PRESSURE 0x400
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struct hanvon {
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unsigned char *data;
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//dma_addr_t data_dma;
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struct input_dev *dev;
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struct usb_device *usbdev;
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struct urb *irq;
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int old_wheel_pos;
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char phys[32];
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};
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void callback(struct libusb_transfer *transfer) {
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int i = 0;
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for(; i < 10; i++) {
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printf("%c, ", transfer -> buffer[i]);
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}
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printf("placeholder\n");
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}
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libusb_device *FindHanvon( libusb_context **context);
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int HandleData( void );
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int main()
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{
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libusb_context *context;
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libusb_device *device;
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libusb_device_handle *handle;
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int state = libusb_init( &context );
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if( state != STATE_SUCCESS )
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return state;
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device = FindHanvon(& context );
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if( device == NULL )
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return STATE_NOT_FOUND;
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state = libusb_open( device, &handle );
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if( state != STATE_SUCCESS )
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return state;
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// Wait and handle interrupts?
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struct libusb_transfer tx;
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const int ENDPOINT_ADDR = 0x81; // bEndpointAddress from lsusb -v
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const unsigned int LEN = 10; // wMaxPacketSize from lsusb -v
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unsigned char buffer[LEN];
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// assign timeout of 1s, for any action is too much as is
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libusb_fill_interrupt_transfer(&tx,
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handle,
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ENDPOINT_ADDR,
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buffer,
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LEN,
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callback,
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NULL,
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130); // milliseconds
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state = libusb_submit_transfer(&tx);
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if( state != STATE_SUCCESS )
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return state;
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for(;;) {
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libusb_handle_events(context);
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}
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return state;
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}
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libusb_device *FindHanvon( libusb_context **context)
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{
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libusb_device **deviceList;
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libusb_device *found = NULL;
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ssize_t nDevices = libusb_get_device_list( context[0], &deviceList);
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if( nDevices > 0 )
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{
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struct libusb_device_descriptor description;
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for( ssize_t i = 0; i < nDevices; i++ )
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{
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libusb_device *device = deviceList[i];
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libusb_get_device_descriptor(device, &description);
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printf( "Dev%u ID %04x:%04x\n", (i + 1), description.idVendor, description.idProduct );
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if( description.idVendor == VENDOR_ID_HANVON )
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{
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switch( description.idProduct )
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case PRODUCT_ID_AM0806:
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case PRODUCT_ID_AM0605:
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case PRODUCT_ID_AM1107:
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case PRODUCT_ID_AM1209:
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case PRODUCT_ID_RL0604:
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case PRODUCT_ID_RL0504:
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case PRODUCT_ID_GP0806:
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case PRODUCT_ID_GP0806B:
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case PRODUCT_ID_GP0605:
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case PRODUCT_ID_GP0605A:
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case PRODUCT_ID_GP0504:
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case PRODUCT_ID_NXS1513:
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case PRODUCT_ID_GP0906:
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case PRODUCT_ID_APPIV0906:
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found = device;
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break;
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}
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}
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printf( "\n\n" );
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}
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libusb_free_device_list( deviceList, UNREF_DEVICE );
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return found;
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}
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